LM-79 Moving Detector Goniophotometer (Mirror Type C)
LSG-6000
High Precision Rotation Luminaire Goniophotometer
LSG-1890B
High Precision Rotation Luminaire Goniospectroradiometer
LSG-1890BCCD
Goniophotometer for Automotive and Signal Lamps
LSG-1950
Goniophotometer for Traffic Signal Lamps
LSG-1950S
Compact Goniophotometer
LSG-1200A
Near Field Moving Detector Goniophotometer
LSG-1900B
LEDs and Luminaire Test Solutions
LM-79 and LM-80 Test Solutions
LED Driver Test Solutions
Household Appliances Test Solutions
Mobile and Network Test Solutions
Automotive Electronics Test Solutions
Audio-Video and IT Test Solutions
Cable and Wire Test Solutions
Plugs and Sockets Test Solutions
Power Switch Test Solutions
Transformer Test Solutions
Electric Toys Test Solutions
Energy Meter Test Solutions
Motor-Operated Tool Test Solutions
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For the HID Lamp design and manufactory, LISUN can supply a full quality control test solution.
Integrating Sphere and Spectroradiometer Test System is for HID Lamp measurement. HID Lamp’s quality should be tested by checking its photometric, colorimetric and electrical parameters. According to CIE127-1997, IES LM-79-19 and IES LM-80, it recommends to using an array spectroradiometer with an integrating sphere to test SSL products.
Measures:
• Colorimetric: Chromaticity coordinates, CCT, Color Ratio, Peak Wavelength, Half Bandwidth, Dominant Wavelength, Color Purity, CRI, CQS, TM-30 (Rf, Rg), Spectrum Test
• Photometric: Luminous Flux, Luminous Efficiency, Radiant Power, EEI, Energy Efficiency Class, Pupil Flux, Pupil Flux Efficiency, Pupil Factor, Cirtopic Flux, PAR and PPF (Only LMS-9000B/LMS-7000 can test PAR and PPF)
• Electrical: Voltage, Current, Power, Power Factor (Option: VF, IF, VR, IR), Harmonic (Only LS2010 can test harmonic)
• HID Lamp optical maintenance test: Flux VS time, CCT VS time, CRI VS time, Power VS time, Power Factor VS time, Current VS time and Flux Efficiency VS time.
The LSRF-3 is equipped with Class A fast photometric probe, so the sampling speed is up to 100kHz. It fully meets the requirement of BASIC, Energy Star V2.1, IEC-Pst, CA CEC, ASSIST, CIE SVM, IEEE Std 1789 standards, etc
The Goniophotometer is used to test the intensity distribution curve in 3D and export IES or LDT file for the lighting software such as DiaLux. The Goniophotometric System is according to LM-79, LM-80, IEC and CIE Standards.
Measurement:
Luminous Intensity Data, Luminous Intensity Distribution, Zonal Luminous Flux, Luminaries Efficiency, Luminance Distribution, Coefficient Of Utilization, Luminance Limitation Curves Glare, Maximum Ratio of Distance to Height, Equal Illuminance Diagrams, Curves of Luminaires VS Lighting Area, Isocandela Diagrams, Efficient Luminescence Angle, EEI, UGR, etc.
Abstract With the popularization of LED lighting technology, flicker has become a key factor affecting light environment health and product quality. As the core equipment for...
Abstract The light wavelength meter is the core testing equipment for the optical performance detection of light sources, widely applied in lighting, display, plant lighting, ultraviolet...
Abstract Needle flame test equipment is an essential fire safety testing device in fields such as electrical and electronic products, home appliances, lighting, and information technology...
Abstract: Color temperature is a core photometric and colorimetric parameter in the fields of lighting sources, display devices, horticultural lighting, and healthy lighting. Accurately measure color...
Abstract: Glow wire flammability index (GWFI) is a core indicator for evaluating the flame retardant performance of products and plastic components in electrical and electronic engineering,...
Abstract: Needle flame test equipment is a core fire safety detection device in the fields of electrical and electronic products, household appliances, lighting, and information technology...
Abstract Glow wire apparatus testing has become a critical method for evaluating flame retardancy and fire safety of electrical and electronic products. This paper presents a...
Abstract The flicker meter has emerged as a critical instrument in modern optical testing, particularly for LED and lighting applications where temporal light modulation directly impacts...
The needle flame test apparatus is a core device for fire safety testing in the electrical and electronic, household appliance, lighting and other industries, mainly used...
Abstract: Flame retardancy performance is a core safety indicator for electrical and electronic products, household appliances, lighting equipment and their plastic components. As a high-precision testing...
In 2026, the Bureau of Indian Standards (BIS) completed and issued the revised standard IS 16102-2:2026 for the operational performance of outdoor LED lighting equipment. As...
On February 24, 2026, the Bureau of Indian Standards (BIS) officially released the revised safety standard for self-ballasted LED lamps for general lighting, IS 16102-1:2026, which...
Abstract: The lux meter is a core instrument for optical parameter testing of light sources. Its measurement accuracy and parameter coverage directly determine the scientificity of...
Abstract With the rapid development of electrical and electronic products, household appliances, lighting equipment and other industries, the flame retardancy of products and plastic components has...
Abstract With the continuous advancement of industrial technology and the widespread application of lighting equipment, the demand for accurate measurement of brightness of light has become...
Abstract In lighting quality assessment, display device calibration, and various light source R&D, color temperature, as a core parameter describing the chromatic characteristics of a light...
A glow wire test apparatus is a vital tool that can be used to measure the fire hazard in electrical and electronic devices. It replicates the...
Abstract With the rapid development of industries such as electrical and electronic equipment, household appliances, lighting, and information technology devices, the fire risk caused by faults...
Any laboratory, which provides credible characterization of LED products, is dependent on lighting test equipment. The first question when you are designing a LED testing program...
Abstract With the upgrading of the lighting industry towards high efficiency and intelligence, the optical-color performance of LED lamps, bulb lamps, and street lamps has become...
Proper light output is needed to measure and validate the output of the LED and to guarantee that the performance of the LEDs in the field...
The correct light output measurement is essential to determine the actual output of the current lighting products. An Integrating sphere is a dedicated device specialized to...
Since the development of LED technology, recent lighting fixtures are generating a high level of luminous intensity, which in most cases are tens or even hundreds...
Industrial luminaires with high power output would provide high quality and reliable luminance in harsh conditions like factories, warehouses, airports, tunnels and outdoor infrastructure. To determine...
The glow wire test standard is the most broadly applied test to determine the ignition resistance of insulating materials, plastics and enclosure parts subjected to overheating...
Safety inspection of electrical and electronic products in regard to fire safety is a prerequisite in the world-wide industries. As devices get smaller and denser and...
Abstract In the modern display technology and lighting industries, spectrum testers, also known as spectroradiometers, have become indispensable tools for measuring color, luminance, and spectral power...
With the globalization of industries towards electrification, smart power distribution, automobile automation and electronics in consumer devices being smaller than ever, the demand has been put...
Fire safety has been one of the factors that are very relevant in designing electrical and electronic products. The size of circuits is decreasing and heating...
1. Introduction With the rapid iteration and wide application of electrical and electronic equipment, household appliances, lighting, and information technology devices, fire safety issues during product...
Hong Kong International Autumn Lighting Fair, October 27-30, 2025 — LISUN GROUP, a world-leading supplier of lighting solutions, was invited to participate in the 2025 Hong...
Abstract With the development of miniaturization and high-powerization of products in fields such as electrical and electronic equipment, home appliances, and lighting, the fire risk caused...
Abstract As lighting technology advances toward intelligence and specialization, the accurate testing of light source optical performance parameters has become a key link in evaluating lighting...
Abstract This paper focuses on the LISUN ZRS-3H Glow-Wire Tester, a high-precision testing device developed by LISUN specifically for evaluating the flame-retardant properties of electrical and...
Abstract In the electrical and electronic industry as well as the field of material research and development, the flame retardant safety performance of products is directly...
Abstract:Aiming at the unclear difference in optical performance among five types of mainstream lighting fixtures in the market, namely bulb lights, PAR lights, LED lights, street...
Abstract The flammability test for plastics is a fundamental assessment in material science and product safety, particularly for components used in electrical and electronic appliances. Among...
Abstract Light illumination measurement is a critical technical process in fields such as lighting engineering, industrial production, and environmental monitoring, as it directly determines the rationality...
Abstract Glow wire flammability testing is a critical evaluation method for assessing the fire safety of polymeric materials used in lighting devices, electronic products, and household...
Abstract Fire and flammability testing plays a critical role in ensuring the safety of electrical equipment and combustible materials, as small flames resulting from internal faults...
Abstract This paper delves into the technological advancements and practical applications of the chroma light tester, with a specific focus on the LISUN LMS-6000 Portable CCD...
Introduction The rapid advancement and widespread adoption of LED lighting technology have revolutionized the illumination industry, offering energy efficiency and longevity. However, the issue of light...
Abstract This paper delves into the crucial role of withstand voltage insulation testers in ensuring electrical safety. With a specific focus on the LISUN LS9923 Programmable...
Introduction In the realm of analytical instrumentation, spectrophotometry stands as one of the most essential and widely used techniques for quantifying light absorption and transmission. By...
Abstract Lighting technology has undergone a dramatic transformation in recent years, driven by advancements in LED systems and an increasing focus on energy efficiency. As lighting...
Introduction In modern indoor horticulture, the application of LED plant grow lights has become a trend. These fixtures significantly boost the efficiency and yield of indoor...
Introduction In today’s rapidly evolving industrial landscape, ensuring the safety and reliability of materials under extreme conditions is more critical than ever. Among various testing methods,...
Abstract Fire safety is a crucial aspect of electrical and electronic device manufacturing. The needle flame testing instrument is an essential tool used to assess the...
Introduction Accurate brightness measurement is crucial in the evaluation and optimization of modern lighting products and display technologies. The LISUN LMS-6000L Portable CCD Spectroradiometer, widely regarded...
Abstract Leakage tracking testing is a crucial evaluation method used to determine the resistance of insulating materials to electrical tracking under various environmental conditions. This paper...
In the modern world, ensuring the fire safety of electrical products and materials is of paramount importance. The quality and safety of electrical and electronic devices,...
Abstract The needle-flame tester is a critical instrument in assessing the flammability of materials used in electrical and electronic equipment. By simulating small flame exposure, it...
In the rapidly evolving world of scientific measurement technology, handheld spectrometers have gained significant attention for their portability, efficiency, and versatile applications. One such advanced tool...
Abstract In the modern world, the safety of electrical and electronic products, as well as household appliances, has become a critical concern due to the potential...
Abstract Flammability test in textile is a crucial assessment to ensure textile products meet fire safety standards. The LISUN ZY-3 Needle Flame Test provides an effective...
Abstract Flame retardancy testing is crucial for ensuring the safety of electrical and electronic products. The Glow Wire Test Procedure is a widely recognized method used...
Abstract The LISUN ZY-3 Needle Flame Tester is a specialized instrument designed to assess the fire hazard posed by small flames that may result from equipment...
In the rapidly evolving world of light measurement, portable spectroradiometers have become indispensable tools for professionals across various industries. These devices provide precise measurements of light...
Abstract: This paper focuses on the long – focus crossed asymmetric CT spectroscopic system, with a particular emphasis on the crucial role of illuminance. By integrating...
Abstract: The demand for color testing in various industries, including lighting, manufacturing, and quality control, has driven advancements in spectroradiometer technology. Color testers, such as the...
Introduction Handheld spectrometers are increasingly popular in various fields such as lighting testing, research, and quality control. These devices offer flexibility, portability, and precision in measuring...
Abstract: In modern lighting technology and environmental research, precise light measurement plays an integral role in achieving accuracy and compliance with international standards. One such indispensable...
Abstract Flicker testing has become an essential process in assessing the performance of modern lighting systems. With increasing adoption of LED lighting, understanding and evaluating flicker...
Flammability testing is a critical step in assessing the safety of materials used in electrical and electronic products. The glow wire test machine, such as the...
Introduction In the field of electrical safety testing, the tracking resistance of insulation materials is an important criterion for evaluating their performance under high voltage and...
Abstract Flammability testing is a critical process in assessing the fire safety of materials used in electrical devices and household appliances. The LISUN ZY-3 Needle Flame...
Introduction The horizontal needle flame test machine plays a crucial role in assessing the flammability of materials used in various electrical and electronic applications. This testing...
Abstract This paper focuses on the ZRS Glow Wire Tester, specifically the LISUN ZRS-3H Glow-wire Test Apparatus, analyzing its application in flame retardant testing within quality...
Abstract The UL 94 flammability test is crucial in assessing the flammability characteristics of materials used in electrical and electronic devices. This test is particularly important...
The needle flame test standard is critical in ensuring the safety of various electrical and electronic products. It is widely applied across industries to assess the...
Introduction When testing the luminous flux and other photometric properties of LED lighting, integrating spheres are essential tools for accurate measurements. These measurements, often referred to...
The measurement of light wavelength is a fundamental aspect of photometry and spectrometry, crucial for applications across various scientific and industrial fields. Accurate measurement of light...
The needle flame test is a critical method used to evaluate the flammability of electrical and electronic equipment, as well as insulating materials, plastics, and solid...
Electrical safety is paramount in the design and manufacturing of modern electronic devices. To prevent fire hazards and ensure product reliability, manufacturers must conduct rigorous testing...
Hong Kong, October 27-30, 2024 – LISUN is excited to announce its participation in the 2024 Hong Kong Lighting Exhibition from October 27th to 30th. As...
Abstract The rapid advancement in LED lighting technology has driven the need for precise and reliable testing systems. The LISUN LSRF-3 is a comprehensive testing solution...
Principle of Operation of the Leakage Tracer Tester The operation principle of a leakage tracer tester primarily involves insulation quality testing and leakage current testing of...
Overview Glow Wire Testing is a crucial method for evaluating the stability of electronic appliances during operation. By simulating high-temperature conditions resulting from electrical faults, this...
Dielectric strength testing assesses the ability of electrical devices, insulation materials, and insulation structures to withstand high voltages. Its primary objective is to check whether insulation...
Introduction: An integrating sphere, also known as a photometric sphere or luminous sphere, is a hollow spherical device used for optical measurements. Its design incorporates one...
The needle flame test and the glow wire test are both used to assess the fire resistance of materials, but they differ in their testing principles...
Introduction: Leakage tracking test equipment plays a pivotal role in the production and quality supervision of electrical products. Understanding the concept of leakage tracking test equipment...
What application of Glow wire tester? Glow wire tester is a widely used method for assessing the flammability of plastic sheets or components. This testing procedure...
Solid insulation materials may form some conductive paths under the joint action of electric field and electrolyte, that is, leakage discharge traces may occur, and the...
Hot wire testing is a common method used to evaluate the flammability of materials. The Glow-wire Test Apparatus is the main tool used for this type...
As an emerging light source, LED is very different from the traditional light source in terms of its own structure and luminous characteristics. Due to the...
The glow-wire tester is used to simulate the ignition of insulation materials or other combustible components inside equipment that may catch fire due to a hot...
LISUN, a leading provider of lighting testing and measurement solutions, is excited to announce its participation in the International Trade Show of Lighting Equipment Light 2024...
Dubai, 16th-18th, January, 2024 – LISUN will participate in the Lighting Exhibition held in Dubai from January 16th to 19th, 2024. As a leading global supplier...
In photometry, the measurement of the power of light is carried out using two different instruments: a goniophotometer and an integrating sphere. Both have their own...
Introduction An integrating sphere is a spherical device used to measure the optical properties of materials. It is a hollow sphere coated with a highly reflective...
Introduction The Glow Wire Test is a standard procedure for determining the combustibility of electrical insulation. It’s vital to the security and dependability of electrical and...
Introduction: Lighting systems, material analysis, and optical testing are just a few examples of the aerospace industry’s stringent requirements for accuracy and consistency. In order to...
Introduction: High Precision Spectroradiometer Integrating Sphere Systems, also known as HPSISS, are helpful instruments that may be used for a variety of purposes, including determining the...
From October 27th to October 30th, 2023, LISUN participated in the world -renowned Hong Kong International Lighting Fair（Autumn Edition）. This exhibition is an important event in...
Lumen is a unit of measurement for the total amount of visible light emitted by a light source. It is an important parameter in lighting design...
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The Chroma Meter Specifications: • Spectral resolution: ±0.2nm, Reproducibility: ±0.5nm • Accuracy of chromaticity coordinate (Δx, Δy): ±0.005 • Correlated...
Testing Flammability with Glow Wire Test Apparatus and Needle Flame Apparatus is used to determine if a substance can be ignited and pose a risk of...
The Needle Flame Test is the main test item for testing whether electronic products and materials are inflammable. It simulates the flame generated by overheating of...
An integrating sphere collects electromagnetic radiation from a source usually external to the optical device, usually for flux measurement or optical attenuation. Radiation introduced into an...
Introduction By replicating real-world fire events and assessing the combustibility of various materials, the Glow Wire Test equipment is an indispensable tool for detecting potential fire...
Introduction The Glow Wire Test device is an essential piece of equipment for conducting fire safety tests on a wide range of materials. The capabilities and...
With the development of LED technology, LED market is booming, its advantages mainly hinged on its good luminous efficiency, long service life and reliability, favored by...
LED is a highly competitive light source, having significantly advantages such as long life and high efficiency. Therefore, LED lighting has been increasingly used in the...
Introduction A crucial part of fire risk assessment is glow wire testing, which is a useful method for analyzing the fire behavior and safety capabilities of...
LPCE-3 is a CCD Spectroradiometer Integrating Sphere Compact System for LED Testing. It is suitable for single LED and LED luminaires’ photometric, colorimetric and electrical measurement....
I. Definition of Glow Wire Test The Glow Wire Tester is used to test the stability of electronic appliances when working. The hot thread itself is...
Spectrometers are the basics test equipment used for measure illumination luminous and chromatic parameters, with the progresses of instruments science, electronic and software information technologies, the...
The upgraded Tracking Test Chamber according to the new standards GB/T4207-2022 can accurately and precisely measure the specific electrical tracking indexes and comparative electrical tracking indexes...
The research and development of LED light source has become the focus of the world. Governments in various countries are constantly improving the standards of LED...
Introduction The Glow Wire Test is an essential tool for gauging the safety of electrical and electronic components in the event of a fire. This test...
The needle flame test is the main test item to verify whether electronic products and materials are flame retardant. It simulates the small flame that may...
I.Measurement principle of Lux Meter: Light photovoltaic measurement principle: LMS-6000 is a direct conversion of light energy into electrical energy of the photovoltaic components. When the...
The glow wire test apparatus simulates that parts of insulation materials or other solid combustible materials that are prone to flame propagation inside the equipment may...
Glow wire testing can be used to assess fire protection in electrical equipment. It is intended to simulate what an over-heated component may cause a fire...
The needle flame tester is applicable to the research, production and quality inspection departments of electronic equipment and its parts and components, such as lighting, low-voltage...
The handheld spectroradiometer is a spectrometer based on XRF (X Ray Fluorescence) spectroscopy technology, which consists of X-ray tube, detector, CPU and storage. Due to its...
Integrating sphere is an optical measuring instrument, which can quantify the parameters of light source such as luminous flux, color temperature, light efficiency, etc. The integrating...
Introduction Colorimetry and CRI measurements are very important in a wide variety of industries, including lighting, display technology, and the material sciences, amongst others. Integrating spheres...
What is a Glow Wire Test? The glow wire test is to test the stability of electronic and electrical products when they are working. The glow...
The needle flame test equipment is suitable for testing the flame retardant performance of electronic components, electrical components, mechanical components, injection molded parts, and other electrical...
Introduction Integrating spheres have shown their worth in several sectors by allowing for precise and trustworthy data collection during optical measurement and light characterisation. Significant advances...
Introduction The Glow Wire Test is a standard for measuring the fire safety of electrical and electronic devices. The Glow Wire Test is one example of...
What is Glow Wire Testing? Glow Wire Testing is used to test the stabilities of electronic and electrical products when in operation. The glow wire itself...
Introduction The Glow Wire Test apparatus is a flexible instrument for testing the fire safety of a wide range of electrical and electronic items. It has...
I. Application scope of needle flame test apparatus: The needle flame test apparatus is suitable for the research, production and quality inspection of lighting, low voltage...
Introduction: Integrating sphere is a type of optical instrument that are used to measure the total amount of light emitted by a source. It is widely...
Introduction When it comes to ensuring the reliability and safety of electrical and electronic products, certifications and compliance play a critical role in meeting applicable standards....
The flame test is one of the commonly used methods to evaluate the fire danger of electrical and electronic products. GB/T 5169.5-2020 “Test Fire Five –...
Introduction In optical measurements, having results that are accurate and trustworthy is very necessary. Integrating spheres have been found to be helpful instruments because of their...
The Glow-wire Tester is used to test the stability of electronic and electrical products during operation, and the flame retardant performance of electronic products in the...
Introduction In an indoor garden, having a lighting system that is properly balanced is essential to the growth of healthy plants. Photosynthetic photon flux density (PPFD)...
Introduction Integrating spheres have played an important role in optical measurements because of the uniform illumination they provide and their ability to precisely characterize light sources,...
According to Double end fluorescent lamp of IEC 60081 (GB/T10682) and the single-ended fluorescent lamp of IEC60901 (GB/T17262), ANSI C78.81 and ANSI C82.3, DYJ Adjustable Reference Standard Ballast is used...
Introduction The Glow Wire Test gadget is a cutting-edge piece of apparatus that is used in the process of determining whether electrical and electronic products are...
Introduction Numerous scientific fields make use of the technique of spectrophotometry, which is the measurement of the absorption, transmission, and reflection of light. With its assistance,...
Introduction: Spectrometers are very helpful instruments for examining the characteristics of light in many fields of science and industry. Materials’ composition, structure, and properties may be...
Introduction: The protection offered by electrical and electronic goods is of the highest significance. In order to provide assurance that the objects are resistant to fire,...
Introduction In the field of optical measurements, the two most important tools for gathering and analyzing data pertaining to light are called radiometers and spectroradiometers respectively....
Introduction The integrating sphere has lately become more popular for application in the area of optical and photometric measurements. The versatility and efficiency of these instruments...
“The LED is divided into upstream and downstream, which can be said to be a dragon. For new technology development, in the collation in the top...
Introduction of Integrating Sphere: The integrating sphere is a hollow sphere. The shell is generally made of metal. The inside of the shell is coated with...
All electronic products need to consider fire risk and potential fire hazards when designing. The design of components, circuits, products, and materials of materials need to...
With the adjustment of epidemic prevention policies across the country to facilitate the travel and life of citizens, the Health and Health Commission has also released...
A CIE TN006-2016 CIE SVM certified flicker test system. The harmonics and the flicker analyzers use alternating current (AC) sources with peak current ratings of up...
SY2036 LED aging and life test rack is fully designed according to the IEC standards, and it can also be designed based on the customer request....
What is spectroradiometer? A spectroradiometer may determine the wavelength and intensity of light from a source. It is also called the led integrating sphere. Spectrometers LPCE-3...
The glow wire test apparatus investigates the fire-resistant properties of raw materials and finished components. LISUN’s glow wire test equipment has been ergonomically designed to meet...
The needle flame test is used to evaluate the fire danger produced by tiny flames, which may arise from the ignition of a malfunctioning component of...
LSRF-3 Lamp start, Run-up time and Light Flickering Analyzer – Flicker Tester is equipped with Class A fast photometric probe, so the sampling speed is up...
As an emerging light source, LED is very different in its own structure and luminous characteristics compared with traditional light sources. Due to the self-absorption effect...
The glow wire test is a physical experiment. The purpose is to test the stability of electronic and electrical products at work. The glow-wire tester heats...
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The Chroma Meter Specifications: • Spectral resolution: ±0.2nm, Reproducibility: ±0.5nm • Accuracy of chromaticity coordinate (Δx, Δy): ±0.005 • Correlated...
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The Chroma Meter Specifications: • Spectral resolution: ±0.2nm, Reproducibility: ±0.5nm • Accuracy of chromaticity coordinate (Δx, Δy): ±0.005 • Correlated...
LS9923 programmable withstand voltage & insulation tester use to do electricial products safety parameters measurement. it’s widely application at household appliances, electronic instrument, electronic equipment, electronic...
Origin and development of integrating sphere: The use of integrating sphere in measuring luminous flux can be traced back to 1890, and now it has become...
Since the birth of the world’s first semiconductor light emitting diode in the 1960s, LED lighting has been known as the light of hope in the...
Needle flame test and glow wire test test description Needle flame test and glow wire test are both tests used in the electrical and electronic product...
LISUN’s LSRF-3 Because the LSRF-3 is equipped with a Class A fast photometric probe, the sampling rate can reach 100kHz. It fully complies with BASIC, Energy...
1. Introduction With the rapid development of modern science and technology, electronics, power electronics, and electrical equipment are more and more widely used. The high-density, wide-spectrum...
It’s important to run testing on LED aging. Without an aging test, it is impossible to ensure the product’s quality, and unreliable elements will show up...
Electromagnetic Interference (EMI) Testing is electronic noise that interferes with cable signals and reduces signal integrity. EMI is typically generated by sources of electromagnetic radiation such...
A unique testing tool used in laboratories is the tracking test device. The Tracking test device is used to gauge a surface’s resistance to a leakage...
An integrating sphere is frequently used to examine luminaire or light source brightness, chromaticity coordinates, CCT, dominant wavelength, peak wavelength, etc. The traditional integrating sphere is...
Integrating sphere is a kind of sphere that can be used to test: luminous flux, color temperature, light effect and other parameters of light source. Its...
Spectroradiometers are efficient devices. They assess products that use the concept of light for functioning. These devices allow you to make the best quality of your...
At present, the problem of electromagnetic compatibility of electronic products has attracted more and more attention. Especially developed countries in the world have formed a complete...
Introduction An EMI receiver measures electromagnetic disturbances by employing traditional stepped scans or ultrafast FFT-based time domain scans. This is done during the construction of the...
A light-scattering substance, such as barium sulfate, is used to make the sphere’s spherical inner surface and inner wall. The light beam (measurement light) entering the...
Purpose of Integrating Spheres An integrating sphere gathers electromagnetic radiation from a source that is typically external to the optical instrument. This is done for the...
Integrating sphere is a hollow sphere with white diffuse reflective material on its inner wall, which is also called photometric sphere, luminous flux sphere, etc. One...
A crucial piece of equipment for EMC testing is a spectrum analyzer. Spectrum analyzers with EMC-specific capabilities have become much more affordable in recent years. Spectrum...
Before a product is introduced to the market, EMC testing is necessary to obtain an Electromagnetic Emission and Immunity test certification. However, the cost of performing...
EMC test is the full name of electro magnetic compatibility. It refers to the comprehensive evaluation of the electromagnetic field interference (EMI) and anti-interference ability (EMS)...
With the rapid development of contemporary science and technology, measuring instruments for electrical safety performance, various electrical appliances and electronic equipment have entered all fields of...
Electronic noise, also known as electromagnetic interference, impedes cable communications and weakens their integrity. Typically, machinery and motors that emit electromagnetic radiation serve as EMI receiver...
There are multiple methods for the evaluation of flammability and fire resistance of the material. They are usually direct flame and indirect flame methods. ”Direct Flame...
EMC test, also known as electromagnetic compatibility, refers to the comprehensive evaluation of electromagnetic interference EMI and anti-interference capability EMS of electronic products. It is one...
Sunlight is essential for plants, because plants need to rely on sunlight for photosynthesis. We all know that sunlight is a continuous spectral light source, and...
There is no doubt that safety is a paramount concern in any industry. That’s why at LISUN, we focus on ensuring the highest level of safety...
Electromagnetic interference is mainly divided into radiation type interference and conduction type interference. The electromagnetic interference transmitted through space belongs to radiation type, and the electromagnetic...
Integrating sphere measurement system is the most common light color measurement equipment in the lamp industry. Its measurement results can meet the R & D and...
LED lighting products are rapidly replacing traditional lighting products due to their superior luminous performance and high efficiency and energy saving. With people’s continuous pursuit of...
Flicker Test System also known as stroboscopic still or tachometer, is an optical measuring device that can change a vibrating, high-speed rotating or periodically moving component...
LPCE-2 Integrating Sphere Spectroradiometer LED Testing System is for single LEDs and LED lighting products light measurement. LED’s quality should be tested by checking its photometric,...
EMI receiver system for EMI (Electromagnetic Interference) radiation conduction or conducted emissions testing. The EMI-9KB EMI receiver is produced by the full closure structure and strong...
With the development of science and technology, more and more digitized, high-speed electrical and electronic equipment is widely used in various fields of society, while promoting...
The ZRS-3H Glow-wire Test Apparatus is according to IEC60695-2-1, IEC60695-2-10, IEC60695-2-11, IEC60695-2-12, IEC60695-2-13 (GB/T5169.10, GBT5169.11, GBT5169.12, GB/T5169.13) < basic testing methods of Glow wire, basic testing...
The ZY-3 Needle Flamp Test apparatus is mainly used for testing lighting equipment, low-voltage electrical appliances, household appliances, power tools, electronic instruments, electronic meters, etc. Additionally,...
The electro-optical test methods allowed by IESNA Solid State Lighting Products, specifically referred to as LM-79, are jointly developed by IESN and the ANSI Solid State...
1.Light formation 1.1 Introduction Light formation refers to the formation process of organ form structure in the plant life cycle; optical aspirations refer to the process...
What is EMI receiver? Electromagnetic Interference (EMI receiver) is electronic noise that interferes with cable signals and reduces signal integrity. EMI Receiver is usually generated by...
EMI receiver system for EMI (Electromagnetic Interference) radiation conduction or conducted emissions testing. The EMI-9KB EMI receiver is produced by the full closure structure and strong...
The ANSI/ASABE S640 standard entitled “Plants (photosynthetic organic) electromagnetic radiation volume and unit” has been released. This work is the first research results released by AsaBe’s...
In September 2020, the DLC released the official version of the Grow Light V2.0 standard, which will be implemented on 21st, March, 2021. Prior to this,...
As we all know, UV actually includes 3 bands, from 320nm~400nm, UV-A of low frequency and long wave to 280nm~320nm, UV-B of medium frequency and medium...
Introduction The photoreceptor cells on the retina of the human eye are divided into two types: rod-shaped (circle) cells and cone-shaped (round) cells. The former has...
LED test instruments or LED Lamp Testing Equipment includes • LPCE-2(LMS-9000) High Precision Spectroradiometer Integrating Sphere System. • EN62471-C Optical Radiation Safety Test. • LEDLM-80PL LED...
Introduction A spectroradiometer is an instrument ( a light measuring tool ) used to measure the wavelength and amplitude of the light emitted from the light...
What is the needle flame test The full name of IEC 60695-2-2 is Fire hazard testing Part 2: Test methods – Section 2 Needle flame test....
What is the glow wire test? The Glow wire tester ZRS-3H/ZRS-3HS is suitable for providing resistance to abnormal heat and fire tests on the lighting lamps,...
Security is critical in the home appliance business. The purpose of fire safety rules is to assess and rate the flammability of materials used in appliance...
The use of LEDs has increased with the advancement of technology. So, in order to meet today’s needs LEDs must be thoroughly evaluated. This is done...
Introduction Any lamps and lanterns may have “flicker“ when connected to AC power! Unless you don’t use batteries or transformers, lighting fixtures cannot avoid “strobe“, which...
LISUN is a leading manufacturer of spectroradiometers for remote sensing applications. These include geological and spectral remote sensing, crop and soil research, vegetative, forestry and canopy...
Needle flame test is used to assess products that are prone to electrical or anyother fire hazards this article will look into different flame retardant test...
If your application requires measurement of a widely diverging beam, an integrating sphere is the best option to consider. An integrating sphere is an optical component...
As more and more household appliances enter our daily life, and people use these electrical products more frequently, this requires that in addition to the design...
An integrating sphere makes it easy to measure samples. Integrating sphere measurements can be taken for different samples. This article will explain integrating sphere and the...
What is the LED test standard？ Semiconductor light-emitting diode (LED) is a new type of light-emitting body, with high electro-optical efficiency, small size, long life, low...
It is well known that color table and color rendering are two important quantities that reflect the color of light sources. Light sources with different spectral...
1. What are the prevention and control plans and standards for juvenile myopia? 1.1 Adolescent myopia prevention and control program: With the increasing rate of myopia...
1. What is a conducted disturbance test? 1.1 Introduction of conducted interference: Electromagnetic interference (EMI)-The interference signals generated by electronic devices are transmitted through wires or...
The standard specifies that the size of the integrating sphere is based on the size of the lamp under test. But experts explain that for many...
The myopia rate of primary and secondary school students remains high. More and more people are advocating to pay attention to the improvement of students’ eyesight...
Foreword: With the rapid development of the LED industry, the application range of LED lamps is becoming wider and wider, and there are more and more...
On 9th ,October, 2018, the Illuminating Engineering Society of North America (IES) released a new version of the light source color quality evaluation standard – IES...
At present, the withstand voltage tester seen on the market adopts the GB4706 (equivalent to IEC1010) standard, and the AC/DC withstand voltage and insulation resistance three-in-one...
For Windows 7/8 USB driver coding, Microsoft explicitly requires drivers to use EV code signature, and after Windows 10/11, the EV coding signature is not enough...
The reason why LED lighting is easy to spread the flame inside the equipment insulation material or other solid combustible material parts may be ignited by...
In LED lighting products, due to the heat generated by some high-current components, their own temperature rise is often too high. Working in this state for...
Application of portable spectroradiometer in the Detection Direction of LED Lighting Fixtures Since the invention of LED lamps, their advantages such as high brightness, low power...
Light-emitting diodes are not just a simple turn-on and turn-off mechanism. In addition to simply emitting a white light, LEDs also have the ability to emit...
Spectroscopy is a method of identifying substances and determining their chemical composition and relative content based on their spectra. It is an analytical method established on...
The main purpose: The Glow Wire Tester/Glow Wire Test device is used to detect the thermal stress caused by heat sources or ignition sources such as...
Introduction: The portable spectroradiometer is a spectrum analysis instrument based on XRF (X Ray Fluorescence) spectrum analysis technology. It is mainly composed of X-ray tube, detector,...
Application: The horizontal and vertical needle flame tester UL94 is mainly used to determine the combustion performance of plastic, rubber or film under a specified fire...
Introduction of glow-wire tester: The glow-wire tester uses simulation technology to evaluate the fire hazard caused by thermal stress caused by heat sources such as hot...
Introduction to Glow Wire Tester: The glow wire tester uses simulation technology to evaluate the fire hazard caused by thermal stress caused by heat sources such...
Standards: Fully meet CIE 177, CIE-13.3 , Optical-Engineering-49-3-033602, and IEEE. The basis of spectroradiometer measurement is to measure the correspondence between optical radiation and wavelength. Generally speaking, the direct result...
Photometers and spectrophotometers instruments are well-suited and well-established for measuring moisture, oil/fat, and other easily distinguishable parameters in a wide range of applications. spectrophotometer derived from these...
On 5th , December, 2019, the European Commission officially announced the new ErP Regulation (EU) 2019/2020 and Energy Efficiency Labelling Regulation (EU) 2019/2015 for lighting products, which...
LISUN engineers always paying attention to the update of various standards to ensure that LISUN products meet the latest standard requirements. The European Commission formulated the...
The ERP directive EC 244/2009, EC 245/2009, EU 1194/2012 and the energy efficiency labeling directive EU 874/2012 have been implemented for many years. The European Union...
At present, ErP has issued new regulations (ErP Regulations (EU) 2019/2020 for Lighting Products and Energy Efficiency Labelling Regulations (EU) 2019/2015) on 5th December, 2019. The...
The ErP directives EC 244/2009, EC 245/2009, EU 1194/2012 and the energy efficiency labeling directive EU 874/2012 have been implemented for many years. The EU has...
The full name of IEC60112-2009 is <Method for the determination of the proof and the comparative tracking indices of solid insulating materials>. It has been prepared...
The full name of IEC 60695-2-10-1 is Glow/hot-wire based test methods-Glow wire apparatus and common test procedure. It has been prepared by IEC technical committee 89:Fire...
The full name of IEC 60695-2-2 is Fire hazard testing Part 2: Test methods – Section 2 Needle-flame test. It was prepared by IEC technical committee...
The full name of IEC60335-1 is Household and similar electrical appliances-Safety. This part of international standard IEC 60335-1 has been prepared by IEC technical committee 61:...
The full name of CIE 177_2007 is Color Rendering of White LED Light Sources. It was prepared by CIE Technical Committee 1-62 of Division 1 “Vision...
1. Introduction of flicker parameter Flicker (light source flicker) means that the light output of the lighting source fluctuates with a certain frequency. At present, the...
LED flicker, that is, the LED liquid crystal display screen flickers. The LED liquid crystal display has a backlight strobe in low-brightness mode, similar to the...
On 5th, December, 2019, the European Commission officially announced the new ErP Regulation (EU) 2019/2020 and Energy Efficiency Labelling Regulation (EU) 2019/2015 for lighting products, which will...
Introduction: The TTC-1 Tracking Test Chamber which used for determining the degree of protection against formation of conducting paths in solid insulating materials, due to the...
Glow Wire Test introduction: The glow wire testing uses simulation technology to assess the fire hazard of thermal stress caused by heat sources such as hot...
Equipment introduction: Automatic Electrical Safety System can test for Withstand Voltage (AC/DC), Insulation Resistance (IR), Leakage Current (LLC), Ground Resistance (GR) and Power. Application: It is...
LED lamp aging test standards: Generally speaking, as a green energy-saving LED lamp, if the performance test is reduced before use, there will be a certain...
With the rapid development of the automobile industry and the improvement of driving speed, it is very necessary to establish various standards and regulations to regulate...
ZY-3 Needle flame tester is mainly used for testing lighting equipment, low-voltage electrical appliances, household appliances, power tools, electronic instruments, electronic instruments, etc. At the same...
The glow wire test is to test the stability of electronic and electrical products at work. The glow wire itself is actually a fixed-size resistance wire...
According to the provisions of IESNA-LM-79-08, both the integrating sphere system and the goniophotometer can test the luminous flux and color parameters of SSL products. In...
Almost all types of lamps is easy to flicker, including incandescent lamps, halogen lamps, and even LED bulbs. But the effect of each light is different....
The European Commission has formulated the official version (EU) 2019/2015 of the new regulations on energy efficiency labels for light sources on March 11, 2019, which...
In recent years, the LED market has been expanding, which is attributed to the unique characteristics of LED solid-state lighting products, such as good luminous efficiency,...
The full name of IES LM-79-08 is Electrical and Photometric Measurements of Solid-State Lighting Products. It is edited by the Illuminating Engineering Society in 2008. This...
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here ANSI (American National Standards Institute)...
LM-79-19 English Version Free Download: Click Here LM-79-19 Spanish Version Free Download: Click Here LM-79-19 Chinese Version Free Download: Click Here This article tries to make...
There are many customers feedback that their LED luminaires can’t pass CE Certificate EMI Radiation Test (30-300MHz) in 2019 year but it is the same one...
Fair: LED Expo New Delhi Date: 2019/11/14-2019/11/16 City: New Delhi Exhibition Hall: India Expo Centre, Great Noida, India Organizers: messe frankfurt Booth of LISUN: L45 Here...
Fair: HKTDC Hong Kong International Lighting Fair 2019 (Autumn Edition) Date: 2019/10/27-2019/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong...
Fair: LED Expo New Delhi Date: 2019/11/14-2019/11/16 City: New Delhi Exhibition Hall: India Expo Centre, Great Noida, India Organizers: messe frankfurt Booth of LISUN: L45 LISUN...
Fair: HKTDC Hong Kong International Lighting Fair 2019 (Autumn Edition) Date: 2019/10/27-2019/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong...
HID lamp is high intensity discharge lamp. High pressure sodium lamp, high pressure mercury lamp, xenon lamp, metal halide lamp are all belong to HID lamp....
Electromagnetic Compatibility EMC refers to the ability of a device or system to function properly in its electromagnetic environment and does not constitute an electromagnetic disturbance...
Recently Saudi Arabia released new LED standard SASO 2902 for energy efficiency, functionality and labeling requirements for Lighting products. We have got the SASO 2902 in 2017 which is draft...
If you need to disable the 64bit digital signature enforcement of the computer, follow the steps: For Win 7 system There are two ways and you...
LISUN engineer went to Egypt in December 2018 to provide on-site installation & training services for customers there. During the period, we held a lighting testing...
LISUN engineer went to Iran in December 2018 to provide on-site installation & training services for customers there. And held Lighting Testing Technology Salon on 25th...
LISUN engineer went to Saudi in December 2018 to provide on-site installation & training services for customers there. During the period, we held a lighting testing...
In optical testing, the measurement of luminous flux and color temperature are essential. There are two test equipment for the measurement: Integrating Sphere Testing System and Goniophotometer. Here we...
The main parameters of LED lamps and lanterns include: A: Electric parameters: voltage, current, lamp power, power factor, harmonic, etc B: Colorimetric parameters: correlated color temperature,...
In recent years, the CE marks are more and more widely used in the market of European economic area (Member states of the European Union and...
LED package is mainly to provide a platform for LED chips, so that LED chips have better performance of light, electricity and heat. Good packaging can...
LISUN has participated in this India lighting exhibition for four years and has developed a large market in India. We will continue to participate in the...
According to the requirements of the LM-79 optical testing standards applicable to the widest range in the world, although there are many photometric measurements for light...
Due to the LED solid-state lighting products have good luminous efficiency, long life and high reliability unique characteristics, so it’s became more popular by markets and...
Energy Star certification (Energy Star certification) is a certification which can adapt to the requirements of the United States Energy Department. In addition to UL, FCC...
With 4.0 concepts emerged on the industry, the traditional mind of manufacturing is experiencing unprecedented impact, integration and upgrade of industrialization and information will be the...
With the rapid development of LED lighting market, the competition becomes more and more intense. So more and more LED lighting manufacturers began to focus on...
Color difference is an important indicator of lighting lamps color performance. Color difference is the difference between computer calculation forma and the target standard, calculated by...
LED luminaires are this kind of device which can transmit, distribute, and change the light distribution of light source. They are becoming the main products of...
Compare LED efficiency and life, the conception of efficiency is more complex. Firstly, there are three kinds of general efficiency, please check the Diagram 1. ...
From the perspective of the LED product structure and technology development, the quality criteria of LED product mainly consider the parameters of the optical properties, electrical...
“Bright blind” in life is an exaggerated description of some impact incidents, but if it is used for the LED lighting industry, then it is the...
Many customers need aging LED lamps, but do not have a clear concept of aging test and life test. Aging test usually use aging test racks....
On January 31, 2018, Lighting Poland 2018 arrived on schedule. LISUN has already prepared well for this exhibition. Our booth address is Hall 4 Booth C25...
Spectrum is the relative distribution of wavelength and light intensity. The spectrum of LED is generally monochromatic LED, such as blue LED with a peak wavelength...
LED Expo Delhi is a 3 day event being held from 30 November to the 2 December 2017 at the Pragati Maidan in New Delhi, India....
In order to meet the demands of the lighting market for handle spectrometer, Lisun launches LMS-6000 Portable CCD Spectrometer recently. Compare with Lisun CHROMA-2 Pocket Chroma Meter, LMS-6000...
Interlight Moscow is held from November 7 to 10, 2017, Interlight Moscow is not only the biggest show in Russia and Eastern Europe covering the whole...
Thailand International Lighting Fair is the most influential international professional lighting fair in Thailand. Fair Dates: 16-18 November 2017 Fair Venue: Bangkok International Trade & Exhibition...
Interlight Moscow powered by Light + Building is the only trade fair in Russia and the CIS covering the whole range of products relating to above stated...
The Hong Kong International Lighting Fair has become the largest industry exhibition in Asia, and the second largest in the world. LISUN participates this exhibition every...
The Istanbul Lighting Exhibition is the only professional LED application exhibition in Turkey, where all the players in the lighting industry come together under a same...
HKTDC Hong Kong International Lighting Fair (Autumn Edition) 2017, organized by the Hong Kong Trade Development Council at the Hong Kong Convention and Exhibition Centre (HKCEC)...
Istanbul Light is an international platform, where all the players in the lighting industry come together under a same roof and where the latest technologies and...
In September and October 2013, Chairman Xi put forward a major initiative of building “The Silk Road Economic Belt” and “The 21st Century Maritime Silk Road” (referred to...
The Spectroradiometer Integrating Sphere System, there are two important parts: one is measuring and analysis; another is assistant part which providing testing environmental. Here we will...
Intelligent Lighting is the distributed lighting control system by using internet of things technology, wired/wireless communication technology, power line carrier communication technology, and embedded computer intelligent...
With the widespread use of electrical and electronic equipment, the problem of electromagnetic disturbance has also brought electromagnetic pollution. EMC(Electro Magnetic Compatibility) refers to the ability...
Light environment is one of the indispensable and important physical environmental factors for plant growth and development. LED plant lighting lamp is a kind of artificial...
IES LM-79 “Electrical and Photometric Measurement of Solid-State Lighting Products” as the exclusive international standard for measuring the total luminous flux, electrical power, luminous intensity distribution...
LED adopts metal material, however, OLED uses organic material. Their emitting principles are the same, the difference is that OLED does not need backlight, because it...
Integrating sphere is a hollow sphere with high reflectance surface, it is widely applied in testing lumen, chromaticity coordinates, CCT, dominant wavelength and peak wavelength etc...
The three loop antenna are often used during electromagnetic radiation test. Lisun three loop antenna VVLA-30M is a standard measurement antenna according to CISPR15-2005. It can...
LEDs and LED luminaires with high light efficiency, longer lifetime, better energy saving and environmental friendly advantages to achieve top position on the lighting industry, like...
In recent years, many manufacturers are planning to manufacture common global LED drive products with a wide voltage input. But since different countries have different product...
RF LED light is emitting diode by converting the RF energy into light energy. LED lights are not always RF LED lights, for example, if the...
LED blue light hazard is to evaluate the photochemical damage of the blue radiation to the retina. In practice, we may observe the light source or...
IES LM-79-08 Approved Method: Electrical and Photometric Measurements of Solid-State Lighting Products. IES LM-79 standard is mainly for photoelectric performance measurement. Generally it is for whole...
Integrating Sphere is a hollow sphere which inner surface coated with white diffuse material. There are one or several apertures on the wall of the integrating...
Spectroradiometer & Integrating Sphere System as main test device to measuring LED lamps, it’s as a most important device to judge the quality of lighting products....
LVD’s goal is to ensure the safety usage of low-voltage equipment. Its range of application is on electrical products with voltage at 50V to 1000V AC...
Standards GB17743-2007 / CISPR 15:2005 <Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment> instead of the standards GB 17743-1999...
LED street lights become more and more popular in recent years, but a few days ago, the American Medical Association (AMA) just issued an official statement,...
India lighting market develops rapidly, research reports point that LED lighting market scale will reach 1.14 billion dollars, growth 47.1%. India government intends to make India...
With the fast development of electrical industry in China, manufacturing enterprises scale grows constantly, international electric safety standards apply more and more widely. Lighting industry standards...
IESNA-LM-79 (Electrical and Photometric Measurements of Solid-State Lighting Products) is a standard made by Illuminating Engineering Society of North America; this standard put forward the measurement...
LED has the features of long life, but with the different working condition and drive current, its life will be different, but generally the life will...
LED is short for light emitting diode. It is one kind of semiconductor diodes, which can convert electrical energy into energy. With the technology development, LED...
Nowadays, there are two main categories of LED light sources classified according the forms on the market, one is COB integrated light source directly combined of...
Lisun LMS-6000 Portable color spectroradiometer is the only one used telephoto optical system in portable spectrometer spectral radiometer, spectral resolution is 0.2nm, which can measure LED wide...
IES TM-30-15 is a document approved by the Illuminating Engineering Society (IES) that describes a method for evaluating light source color rendition. The method encompasses several...
LED manufacturers must learn some basic luminaries’ parameters such as brightness, spectrum and color temperature and so on as standard to identify pros and cons. We...
As the basic test equipment to measure LED luminaries or other lighting product’s performance, the photometer & integrating sphere system has been used at lighting industry...
At the end of October 2016, Lisun attended lighting fair in as in previous years. Hongkong International Lighting Fair has been an ideal platform for LED...
In October 5th-7th 2016, New Delhi LED lighting exhibition held in New Delhi, the capital of India. As one of India’s largest LED lighting exhibition, New...
SSL (Solid State Lighting) product’s color quality is very important; people pay more and more attention to it. CRI already has 40 years history. CIR is...
Different color temperature will give us a different feeling. In a different environment with the same brightness, the object’s color we can see will be a...
The ballast (resistor ballast) is a device for limiting the flow of sunlight and generating instantaneous high pressure. Following is some difference between the electronic ballast...
Now, the led COB package, in fact, we can know that most of the COB package, including Japan COB packaging technology, they are based on the...
The ninth Frankfurt Light + Building(2016) was hold in Germany Frankfurt exhibition center (Messe Frankfurt). The biennial global lighting event attracted about 2500 companies exhibitors from...
When LEDs arrived on the market, their tremendous efficiency and money saving potential changed the playing field and lumens, lux and candela finally became obsolete metrics...
The LED stroboscopic effect actually have two concepts: One is strobe which mean the depth of light flux fluctuations, the more violent fluctuation, the depth of...
Due to the demand of Lisun market business expand, and kind invitation from AUTOMATE PROCESS CONTROL, on 9:00am April 23, 2016, Lisun & AUTOMATE organized customer...
Lisun will come with professional technical team to attend 2016 Germany Frankfurt Lighting Fair( Light + Building) dated on 13th Mach ~18th March, 2016. This time...
Glow wire test is to test the stability of electrical and electronic products during working. And the hot wire itself is the resistance wire ring with...
The 2015 New Delhi Autumn LED Expo was successfully held during 3th December~5th December. As one of India biggest exhibition, this exhibition main relate different lighting...
1. Japanese Lighting Market According to Japan’s Lighting Industry Association (JLMA) statistics, lamps and lighting product development trend will be more and more closed to LED...
CIE has recently published the first international measurement standard for LED Lamps, LED Luminaires and LED Modules, ie. CIE S025(http://div2.cie.co.at/?i_ca_id=563). CIE Division 2 will present a...
According to CIE, EN and LM-79(Clause 9.1) etc standards, spectroradiometer integrating sphere system is used for all kinds of light source photometry parameters test. The following...
1. According to the reflectivity of the internal coating: Note: It can select the coating according to the test requirement, the default is the BaSO4 coating....
LED coated with phosphor powder on the LED chip to achieve white light emission. There are three main methods to realize white light with phosphor powder,...
As well as we know that for the LED luminaires lumen test, the CIE121: 1996 Clause 6.1, CIE127-2007 Clause 6.2 and IES-LM-79-08 Clause 9.0 are mentioned...
It is the second time we have attended the fair, and it is a successful and wonderful fair. Lisun’s booth attracks numerous people’s visit.
Lisun agency in Korea attended the exhibition last week. The exhibition is organized every year in KINTEX since 2003. It is one of the most influential...
During the exhibition, Lisun showed its main instruments which attracted many customers to stop and talk. Among them, there are not only many old customers hope...
During the measurement of luminous flux with integrating sphere, comparing with common lighting source, the luminous flux test accuracy of LED lighting source have given huge...
The ideal integrating sphere paint should have below performances: 1. High-Lambert characteristics (good diffuse reflection characteristics) 2. High reflectance in a wide wavelength range 3. High...
According to IESNA-LM-79-80, when spectroradiometer integrating sphere system tests LED flux, light source’s self-absorption can influence test result, therefore, it usually introduces Auxiliary Lamp. The induction...
As far as we known that there have several type spectroradiometer, such as CCD spectroradiometer, mechanical scanning spectrophotometer etc. Generally, the type of spectrometer depend on...
As in previous year, Lisun and its instruments appeared at booth ED-A01 of Hong Kong International Lighting Fair (Autumn Edition) during 27th October to 30th October....
The equipment for electrical safety performance test is in rapid development of modern science technology; all kinds of electrical and electronic equipment are into all fields...
The best way to test electric and electronic products’ fire hazard, is truly to reproduce the actual existence of conditions, but it is impossible in the...
Light object by the lighting source and standard source(Generally, sunlight is as the standard source), the degree consistent with color is the color fidelity degree, represented...
Due to the LED luminaries such as LED street luminaries developed, to do 4π geometry testing, it is hard to be hold in the traditional integrating sphere design....
LED testing equipment mainly has Goniophotometer and Integrating Sphere Spectroradiometer System. Goniophotometer is used for light intensity distribution measurement; integrating sphere spectroradiometer system is used for flux and colorimetric...
LISN is short for Line Impedance Stabilization Network. LISN is important assistant equipment for EMC test in the power system. It can isolate the disturbance from...
A lamp is composed of one or more luminous light sources with a shell (namely lamps, for example, some down lamp can be installed in one...
Integrating Sphere plays the role in below three aspects. 1. Optical Receiver The measured light enters the sphere through the hole of integrating sphere. We set up...
Fair: Hong Kong International Lighting Fair 2013 (Autumn Edition) Date: 2013/10/27-2013/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong Trade...
Recently, there have a new that the China Consumer Association announcement computer failure excessive radiation harassment, that easy to affect the power grid equipment and cause...
OLED (Organic Light Emitting Display) is a new generation of flat panel display technology after LCD, LED, CRT and PDP (Plasma Display Panel). It has significant new...
Abstract: According to the particularity of LED luminous flux measurement, unique optimization is adopted in the design of the integrating sphere for LED measurement combined with the diffuse materials...
LISUN can provide very fine Photo Detectors. They are NIM traceable (directly compared with NIM standard head) and is validated to PTB of Germany. Photo Detector...
When choosing the instrument to purchase or use for the application, it is very important to understand the types of instruments available for measuring color. A colorimeter or spectrophotometer can...
Lisun attended Hongkong Lighting Fair dated 27th October to October 30th 2012, during the exhibition, Lisun showed many high excellence testing equipments to visitors, like Goniophotometer,...
Fair: Hong Kong International Lighting Fair 2012 (Autumn Edition) Date: 2012/10/27-2012/10/30 City: Hong Kong Exhibition Hall: Hong Kong Convention and Exhibition Centre Organizers: Hong Kong Trade Development...
When you measure the photometric and chromaticity properties of optical system, it must be under the uniformly prescribed light source, the test result can be compared...
In order to expand its business, Lisun decides to move Lisun Electronics Shanghai to a new office. Lisun built a high level products show room &...
Lisun updated the Spectrophotometer of LMS-5000 software. The new version software updated serval function to make the customer have a much experience. LMS-5000 is a high accuracy...
According to IEC60598 standards, the lighting fixtures must be passed the safety test on AC Voltage withstanding, Insulation resistance, Grounding resistance and Power/Function test. Lisun launch her Automatic Programmable...
1.LED In addition to the semiconductor lasers, when the current motivates the semiconductor diodes can emit the optical radiation. Strictly speaking, the term LED should be...
Our manufactory will attend the Guangzhou International Lighting Exhibition on June 9th~12th, 2011 About LISUN: it is lead in CFL and LED test instruments, main products are EMC Test System,...
LPCE-2(including spectrophotometer, integrating sphere) is designed for analyzing the photometry, colorimetry and electricity of LED lamp, energy-saving lamp, fluorescent lamp, high-voltage sodium lamp, high-voltage mercury lamp, metal...
With LED technology development, LED applications in market are more and more wide. UV-C LED germicidal disinfection applications market also reaches a new height in 2016,...
LED is not only a semiconductor device, but also a light source. It has the advantage such as high light output, low consumption and easily drove....
Our manufactory will attend the Guangzhou International Lighting Exhibition on June 9th~12th, 2009. By then we will show our new products such as RoHS Test Equipment (Energy Dispersive...
Lisun Hong Kong, Shanghai and China Factory office will be off to enjoy the Chinese New Year Holiday from 24th, Jan to 1st, Feb. If you...
During October 12nd to 15th, Lisun will exhibit in the 2008 Hong Kong Global Sources Fair in booth# 11M30 (Hall 9&11) near the Hong Kong International...
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